thanks very much for the replys.i have access to other woods.we have an awsome hardwood store in salt lake,but my car is not running well enough to make the trip.i live next to a, home depot so i thought i wood try red oak out.the rings are very straight and it looks like its very near to being one growth ring on the back.ive made a few other board bows out of hickory,purple heart,ash,and one osage from a tree cut staff.all of the ended up under 50 lbs.so i thought i would try a heavy war bow.